Not a bad choice. Check out www.pgpog.org
for help with teching it when you get it. They have diagrams and FAQs that will be useful.
It's not that hard to get used to stock class. You just have to get out of the mindset that you can lay down suppressive fire, and instead make the first shots count. You may very well suck at first - but you ARE doing this to improve your skills, and it'll probably take you a little while to get used to. Once you're playing comfortably with a stock class gun, you'll know you've already mproved.